Four Layer Construction Head Gasket - MLS-R
Not all performance head gaskets are created equal. All Permaseal MLS-R head gaskets incorporate state of the art four layer design
•Active Layers — the top and bottom outer or active layers are manufactured from NOK’s NBR pre-coated stainless steel ensuring excellent micro sealing of engine fluids with precision embossing around critical sealing points to provide additional fluid sealing performance. The use of pre-coated materials ensures greater control of the coating thickness for optimum pressure distribution over the entire gasket.
•Control Layer — the centre or control layer is manufactured from steel and ensures the head gaskets overall thickness tolerances are met.
•Stopper Layer* — manufactured from stainless steel and measuring only 0.15mm thick the stopper layer features a precision fold around the cylinder bores creating a load point around the combustion chamber. Combined with additional embossing on the active layers the stopper layer delivers truly superior sealing of combustion gases.
*Excludes S2096MLSR which has coined edge due to engine design.
Here is a list of the current applications, with more to be added soon.
Manufacturer Engine Thickness* Bore** Volume*** Part #
308, 5.0 Litre Holden V8 1.10mm* 103.88mm** 9.32cc*** S2610MLSR
5.7 Litre V8 Gen III Holden/Chevrolet 1.30mm* 100.00mm** 10.21cc*** S2234MLSR
6.0 Litre V8 Gen IV Holden/Chevrolet 1.30mm* 104.50mm** 11.15cc*** S2500MLSR
6.0 Litre V8 Gen IV HSV Soon......
4G63T DOHC 16 Valve EVO I - EVO III 1.30mm* 86.00mm** 7.55cc*** S2131MLSR
4G63T DOHC 16 Valve EVO IV - EVO VIII 1.30mm* 86.00mm** 7.55cc*** S2218MLSR
4G63T DOHC 16 Valve EVO IX 1.30mm* 86.00mm** 7.55cc*** S2550MLSR
RB25DET DOHC 24 Valve 1.30mm* 87.00mm** 7.73cc*** S2086MLSR
RB26DETT DOHC 24 Valve 1.30mm* 87.00mm** 7.73cc*** S2089MLSR
RB30E/ET SOHC 12 Valve 1.30mm* 87.00mm** 7.73cc*** S2440MLSR
SR20DET DOHC 16 Valve 1.10mm* 87.50mm** 6.61cc*** S2162MLSR
VQ35DE LH 0.78mm* 96.00mm** 5.65cc*** S2541MLSR
VQ35DE RH 0.78mm* 96.00mm** 5.65cc*** S2542MLSR
EJ20 DOHC 16 Valve 1.30mm* 93.50mm** 8.93cc*** S2096MLSR
EJ25 1.10mm* 101.00mm** 8.81cc** PN: S2135MLSR
2JZ-GE/GTE 24 Valve 1.30mm* 87.00mm** 7.73cc*** S2217MLSR
*Thickness after tightening **Bore size of gasket ***Volume per cylinder of gasket Part#